html,
body {
  background: #fff;
}

.bg {
  width: 100%;
}

header {
  position: relative;
  .logo {
    height: 12rem;
  }
  .content {
    position: absolute;
    top: 19%;
    left: 0;
    right: 0;
    width: 50rem;
    margin: 0 auto;
  }
  h1 {
    color: #fff;
  }
  .use {
    display: inline-flex;
    font-size: 1.6rem;
    width: 13.75rem;
    height: 4.625rem;
    border: rgba($color: #fff, $alpha: 0.6) 1px solid;
    color: #fff;
    margin-top: 2.375rem;
    transition: all 0.1s ease-in-out;
    &:hover {
      border-color: rgba($color: #fff, $alpha: 1.0);
    }
  }
  .language {
    position: absolute;
    top: 1.438rem;
    right: 1.438rem;
    color: #fff;
    font-size: 1.4rem;
    .iconfont {
      margin-right: 0.56rem;
    }
  }
}

.features {
  .bg {
    position: relative;
    z-index: 0;
    &.btm {
      margin-top: -45rem;
    }
  }
  .item {
    position: relative;
    z-index: 1;
    overflow: hidden;
    &.f1 {
      height: 42.75rem;
      margin-bottom: 13.688rem;
      .img-main {
        height: 100%;
        position: absolute;
        right: 60%;
      }
      .img-deco {
        height: 100%;
        position: absolute;
        left: 45%;
      }
      h2 {
        position: absolute;
        left: 55%;
        top: 20rem;
        font-size: 2.25rem;
        font-weight: normal;
        p {
          line-height: 2;
        }
      }
    }
    &.f2 {
      height: 49.375rem;
      .img-main {
        height: 46.375rem;
        position: absolute;
        left: 60%;
        top: 3rem;
      }
      .img-deco {
        height: 36rem;
        position: absolute;
        right: 50%;
      }
      h3 {
        position: absolute;
        left: 18%;
        top: 3rem;
        font-size: 2.25rem;
        font-weight: normal;
        p {
          line-height: 1;
          margin-bottom: 3.8rem;
          display: flex;
          align-items: center;
          white-space: nowrap;
          &:last-child {
            margin-bottom: 0;
          }
          .dot {
            width: 0.8rem;
            height: 0.8rem;
            border-radius: 0.4rem;
            background-color: #ff847b;
            margin-right: 1.375rem;
          }
        }
      }
    }
  }
}

footer {
  position: relative;
  height: 0;
  top: -3.688rem;
  left: 0;
  right: 0;
  text-align: center;
  color: #fff;
  gap: 1.5rem;
  img {
    height: 1.5rem;
  }
  .open-source {
    gap: 1rem;
  }
}
